18421637229072

Names of 18421637229072

• Cardinal: 18421637229072 can be written as Eighteen trillion, four hundred twenty-one billion, six hundred thirty-seven million, two hundred twenty-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8421637229072 × 10¹³

Factors of 18421637229072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 52

Divisors of 18421637229072

• Number of divisors d(n): 840
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 29 33 36 42 44 48 54 56 58 63 66 72 77 81 84 87 88 99 108 112 116 126 132 144 154 162 168 174 176 189 198 203 216 231 232 243 252 261 264 297 308 319 324 336 348 378 396 406 432 462 464 486 504 522 528 567 594 609 616 638 648 693 696 729 756 783 792 812 841 891 924 957 972 1008 1044 1134 1188 1218 1232 1276 1296 1386 1392 1458 1512 1566 1584 1624 1682 1701 1782 1827 1848 1914 1944 2079 2088 2233 2268 2349 2376 2436 2523 2552 2673 2772 2871 2916 3024 3132 3248 3364 3402 3564 3654 3696 3828 3888 4158 4176 4466 4536 4698 4752 4872 5046 5103 5104 5346 5481 5544 5742 5832 5887 6237 6264 6699 6728 6804 7047 7128 7308 7569 7656 8019 8316 8613 8932 9072 9251 9396 9744 10092 10206 10692 10962 11088 11484 11664 11774 12474 12528 13398 13456 13608 14094 14256 14616 15138 15312 16038 16443 16632 17226 17661 17864 18502 18711 18792 20097 20184 20412 21141 21384 21924 22707 22968 23548 24389 24948 25839 26796 27216 27753 28188 29232 30276 32076 32886 33264 34452 35322 35728 37004 37422 37584 40194 40368 40824 42282 42768 43848 45414 45936 47096 48778 49329 49896 51678 52983 53592 55506 56133 56376 60291 60552 64152 64757 65772 68121 68904 70644 73167 74008 74844 77517 80388 81648 83259 84564 87696 90828 94192 97556 98658 99792 103356 105966 107184 111012 112266 112752 120582 121104 128304 129514 131544 136242 137808 141288 146334 147987 148016 149688 155034 158949 160776 166518 169128 170723 180873 181656 194271 195112 197316 204363 206712 211932 219501 222024 224532 232551 241164 249777 259028 263088 268279 272484 282576 292668 295974 299376 310068 317898 321552 333036 338256 341446 361746 363312 388542 390224 394632 408726 413424 423864 439002 444048 449064 465102 476847 482328 499554 512169 518056 536558 542619 544968 582813 585336 591948 613089 620136 635796 658503 666072 682892 707281 723492 749331 777084 789264 804837 817452 847728 878004 898128 930204 953694 964656 999108 1024338 1036112 1073116 1085238 1089936 1165626 1170672 1183896 1226178 1240272 1271592 1317006 1332144 1365784 1414562 1430541 1446984 1498662 1536507 1554168 1609674 1627857 1634904 1748439 1756008 1860408 1877953 1907388 1975509 1998216 2048676 2121843 2146232 2170476 2247993 2331252 2367792 2414511 2452356 2543184 2634012 2731568 2829124 2861082 2893968 2997324 3073014 3108336 3219348 3255714 3269808 3496878 3512016 3720816 3755906 3814776 3951018 3996432 4097352 4243686 4291623 4292464 4340952 4495986 4609521 4662504 4829022 4904712 4950967 5245317 5268024 5633859 5658248 5722164 5926527 5994648 6146028 6365529 6438696 6511428 6743979 6993756 7243533 7511812 7629552 7780091 7902036 8194704 8487372 8583246 8681904 8991972 9219042 9325008 9658044 9809424 9901934 10490634 10536048 11267718 11316496 11444328 11853054 11989296 12292056 12731058 12877392 13022856 13487958 13828563 13987512 14487066 14852901 15023624 15560182 15735951 15804072 16901577 16974744 17166492 17779581 17983944 18438084 19096587 19316088 19803868 20511149 20981268 21730599 22535436 22888656 23340273 23706108 24584112 25462116 26045712 26975916 27657126 27975024 28974132 29705802 30047248 31120364 31471902 31608144 33803154 33949488 34332984 35559162 35967888 36876168 38193174 38632176 39607736 41022298 41485689 41962536 43461198 44558703 45070872 46680546 47207853 47412216 50704731 50924232 53951832 54460637 55314252 57289761 57948264 59411604 61533447 62240728 62943804 65191797 67606308 68665968 70020819 71118324 73752336 76386348 79215472 82044596 82971378 83925072 86922396 89117406 90141744 93361092 94415706 94824432 101409462 101848464 107903664 108921274 110628504 114579522 115896528 118823208 123066894 124457067 124481456 125887608 130383594 133676109 135212616 140041638 142236648 143578043 152114193 152772696 163381911 164089192 165942756 171869283 173844792 178234812 184600341 186722184 188831412 195575391 202818924 210062457 217842548 221257008 225622639 229159044 237646416 246133788 248914134 251775216 260767188 267352218 270425232 280083276 284473296 287156086 304228386 305545392 326763822 328178384 331885512 343738566 347689584 356469624 369200682 373444368 377662824 391150782 401028327 405637848 420124914 430734129 435685096 451245278 456342579 458318088 490145733 492267576 497828268 515607849 521534376 534704436 553801023 560166552 574312172 608456772 630187371 653527644 663771024 676867917 687477132 712939248 738401364 755325648 782301564 802056654 811275696 840249828 861468258 871370192 902490556 912685158 916636176 980291466 984535152 995656536 1031215698 1043068752 1069408872 1107602046 1120333104 1148624344 1203084981 1216913544 1260374742 1292202387 1307055288 1353735834 1369027737 1374954264 1470437199 1476802728 1564603128 1579358473 1604113308 1661403069 1680499656 1722936516 1804981112 1825370316 1890562113 1960582932 1991313072 2030603751 2062431396 2138817744 2215204092 2297248688 2406169962 2433827088 2520749484 2584404774 2614110576 2707471668 2738055474 2749908528 2940874398 2953605456 3129206256 3158716946 3208226616 3322806138 3360999312 3445873032 3609254943 3609962224 3650740632 3781124226 3876607161 3921165864 4061207502 4124862792 4411311597 4430408184 4738075419 4812339924 4984209207 5041498968 5168809548 5414943336 5476110948 5671686339 5881748796 6091811253 6317433892 6416453232 6645612276 6891746064 7218509886 7301481264 7562248452 7753214322 7842331728 8122415004 8249725584 8822623194 8860816368 9476150838 9624679848 9968418414 10082997936 10337619096 10829886672 10952221896 11343372678 11629821483 11763497592 12183622506 12634867784 13233934791 13291224552 14214226257 14437019772 14952627621 15124496904 15506428644 16244830008 17645246388 18275433759 18952301676 19249359696 19936836828 20675238192 21904443792 22686745356 23259642966 23526995184 24367245012 25269735568 26467869582 26582449104 28428452514 28874039544 29905255242 30248993808 31012857288 32489660016 34889464449 35290492776 36550867518 37904603352 39701804373 39873673656 42642678771 45373490712 46519285932 48734490024 52935739164 54826301277 56856905028 57748079088 59810510484 62025714576 69778928898 70580985552 73101735036 75809206704 79403608746 79747347312 85285357542 90746981424 93038571864 97468980048 104668393347 105871478328 109652602554 113713810056 119621020968 127928036313 139557857796 146203470072 158807217492 164478903831 170570715084 186077143728 209336786694 211742956656 219305205108 227427620112 239242041936 255856072626 279115715592 292406940144 317614434984 328957807662 341141430168 383784108939 418673573388 438610410216 511712145252 558231431184 635228869968 657915615324 682282860336 767568217878 837347146776 877220820432 1023424290504 1151352326817 1315831230648 1535136435756 1674694293552 2046848581008 2302704653634 2631662461296 3070272871512 4605409307268 6140545743024 9210818614536 18421637229072
• Sum of all divisors σ(n): 69100795033920
• Sum of proper divisors (its aliquot sum) s(n): 50679157804848
• 18421637229072 is an abundant number, because the sum of its proper divisors (50679157804848) is greater than itself. Its abundance is 32257520575776

Bases of 18421637229072

• Binary: 100001100000100011111001001001010101000010000₂
• Hexadecimal: 0x10C11F24AA10
• Base-36: 6J2S76900

Squares and roots of 18421637229072

• 18421637229072 squared (18421637229072²) is 339356718199531514201981184
• 18421637229072 cubed (18421637229072³) is 6251506353920185276092325073754441781248
• The square root of 18421637229072 is 4292043.4794013911
• The cube root of 18421637229072 is 26410.4666702401

Scales and comparisons

• 18,421,637,229,072 seconds is equal to 585,751 years, 4 weeks, 1 day, 20 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,421,637,229,072 would take you about one million, four hundred sixty-four thousand, three hundred seventy-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18421637229072 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421637229072

• 18421637229072 backwards is 27092273612481
• 18421637229072 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18421637229072's digits is 54
• More coming soon!